NDLI: Cathepsin B SNPs elevate the pathological development of oral cancer and raise the susceptibility to carcinogen-mediated oral cancer

Content Provider	Springer Nature Link
Author	Chen, Mu Kuan Su, Shih Chi Lin, Chiao Wen Tsai, Chiung Man Yang, Shun Fa Weng, Chia Jui
Copyright Year	2012
Abstract	Oral cancer is causally associated with environmental carcinogens, and the susceptibility to carcinogen-mediated tumorigenesis is proposed to be genotype-dependent. Cathepsin B (CTSB) is a lysosomal cysteine protease and may serve as a candidate biomarker of oral cancer. The current study aimed to explore the influences of three single nucleotide polymorphisms (SNPs) in CTSB gene, combined with environmental carcinogens on the risk and clinicopathological development of oral cancer. Three SNPs of CTSB, CTSB C76G (rs12338), CTSB A4383C (rs13332), and CTSB A8422G (rs8898), from 444 male patients with oral cancer and 426 control participants (males not diagnosed with cancer) in Taiwan were analyzed. These three CTSB SNPs all exhibited insignificant (P > 0.05) effects on the risk of oral cancer. However, the risk for developing the poor clinical stage of moderately or poorly differentiated cells was significantly (P < 0.001) increased to 3.325-fold in patients with oral cancer carrying the polymorphic genotype of rs8898 compared to patients with the ancestral genotype. Additionally, while considering the exposure of environmental carcinogens, the presence of these three CTSB SNPs, combined with betel quid chewing [adjusted odds ratio (AOR) was 36.570, 21.772, and 43.962 for rs12338, rs13332, and rs8898, respectively] and/or tobacco use (AOR was 3.794, and 8.972 for rs12338 and rs13332, respectively), robustly elevated the susceptibility to oral cancer. These results suggest that the genetic polymorphism of CTSB A8422G (rs8898) was associated with a high risk for the clinicopathological development of oral cancer and CTSB gene polymorphisms may increase the susceptibility to environmental carcinogens-mediated oral cancer.
Starting Page	1861
Ending Page	1868
Page Count	8
File Format	PDF
ISSN	03406717
Journal	Human Genetics
Volume Number	131
Issue Number	12
e-ISSN	14321203
Language	English
Publisher	Springer-Verlag
Publisher Date	2012-08-01
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Gene Function Human Genetics Metabolic Diseases Molecular Medicine
Content Type	Text
Resource Type	Article
Subject	Genetics Genetics (clinical)

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